Educational theory defines a learning resource as any material—digital or print—that directly supports knowledge acquisition, skill development, or critical thinking. Documents meet this definition when they present verified information, align with learning objectives, and are accessible to the intended audience. For example, a peer‑reviewed research article provides evidence‑based content, whereas an unverified meme does not, despite also being a document.
The digital age expands what qualifies as a document: PDFs, slide decks, code repositories, and interactive e‑books each can function as learning resources if they meet evidence and usability standards. Yet the mere presence of citations or a professional layout does not guarantee pedagogical value; the content must be examined for relevance, bias, and currency. Curating resources therefore involves both structural assessment and contextual judgment.